// 演示在video.js中如何将字符串转为ArrayBuffer,然后从ArrayBuffer转为字符串
function bin2String(array) {
  return String.fromCharCode.apply(String, array);
}
var bit = [104, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100];
var tostring = bin2String(['104', '101', '108', '108', '111', '32', '119', '111', '114', '108', '100']); // "hello word" co
stringToArrayBuffer('allinmdplayer010')